CPU Quad 604-pin FC-mPGA4 Sockets
Supports up to fourIntel® 64-bit Xeon®processor(s) of the same type below:
Dual-Core Intel® Xeon® Processor 7100/7000 Serieswith 2MB L2 Integrated Advanced Transfer Cache
System Bus 667/800 MHz system bus
Operating System Software Supports 64-bit Operating Systems
Supports 32-bit Operating Systems
System Memory
Memory Capacity Sixteen 240-pin DIMM sockets
Supports up to 64GB Registered ECC DDR2 400MHz memory
Dual channel memory bus
Memory must be populated in pairs and all be of same type